java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:41:22,283 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:41:22,285 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:41:22,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:41:22,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:41:22,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:41:22,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:41:22,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:41:22,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:41:22,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:41:22,317 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:41:22,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:41:22,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:41:22,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:41:22,321 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:41:22,332 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:41:22,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:41:22,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:41:22,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:41:22,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:41:22,349 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:41:22,350 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:41:22,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:41:22,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:41:22,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:41:22,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:41:22,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:41:22,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:41:22,362 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:41:22,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:41:22,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:41:22,367 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:41:22,369 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:41:22,369 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:41:22,370 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:41:22,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:41:22,372 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:41:22,400 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:41:22,400 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:41:22,402 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:41:22,402 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:41:22,402 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:41:22,403 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:41:22,403 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:41:22,403 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:41:22,403 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:41:22,404 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:41:22,404 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:41:22,404 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:41:22,404 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:41:22,405 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:41:22,405 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:41:22,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:41:22,406 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:41:22,406 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:41:22,406 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:41:22,407 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:41:22,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:41:22,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:41:22,407 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:41:22,407 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:41:22,408 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:41:22,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:41:22,408 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:41:22,408 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:41:22,408 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:41:22,409 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:41:22,409 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:41:22,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:41:22,409 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:41:22,409 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:41:22,410 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:41:22,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:41:22,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:41:22,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:41:22,496 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:41:22,496 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:41:22,497 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-11-07 18:41:22,566 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ce6e7b2/bbc0ba59b584448189471daf4d843f26/FLAGe295bacfe [2018-11-07 18:41:23,153 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:41:23,154 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-11-07 18:41:23,187 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ce6e7b2/bbc0ba59b584448189471daf4d843f26/FLAGe295bacfe [2018-11-07 18:41:23,204 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2ce6e7b2/bbc0ba59b584448189471daf4d843f26 [2018-11-07 18:41:23,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:41:23,217 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:41:23,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:23,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:41:23,222 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:41:23,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:23,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cedeeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23, skipping insertion in model container [2018-11-07 18:41:23,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:23,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:41:23,304 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:41:23,795 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:23,800 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:41:23,945 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:41:23,963 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:41:23,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23 WrapperNode [2018-11-07 18:41:23,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:41:23,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:23,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:41:23,965 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:41:23,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:23,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:41:24,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:41:24,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:41:24,102 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:41:24,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... [2018-11-07 18:41:24,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:41:24,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:41:24,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:41:24,200 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:41:24,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:41:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:41:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:41:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:41:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:41:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:41:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:41:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:41:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:41:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:41:27,453 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:41:27,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:27 BoogieIcfgContainer [2018-11-07 18:41:27,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:41:27,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:41:27,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:41:27,460 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:41:27,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:41:23" (1/3) ... [2018-11-07 18:41:27,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ef83bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:27, skipping insertion in model container [2018-11-07 18:41:27,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:41:23" (2/3) ... [2018-11-07 18:41:27,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ef83bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:41:27, skipping insertion in model container [2018-11-07 18:41:27,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:41:27" (3/3) ... [2018-11-07 18:41:27,465 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label43_true-unreach-call_false-termination.c [2018-11-07 18:41:27,476 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:41:27,485 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:41:27,504 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:41:27,545 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:41:27,545 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:41:27,545 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:41:27,545 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:41:27,545 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:41:27,546 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:41:27,546 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:41:27,546 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:41:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 18:41:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-07 18:41:27,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:27,592 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:27,594 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:27,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:27,601 INFO L82 PathProgramCache]: Analyzing trace with hash -728863603, now seen corresponding path program 1 times [2018-11-07 18:41:27,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:27,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:27,665 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:28,279 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:41:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:28,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:28,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:41:28,444 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:28,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:41:28,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:41:28,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:28,473 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 18:41:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:29,941 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 18:41:29,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:41:29,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2018-11-07 18:41:29,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:29,961 INFO L225 Difference]: With dead ends: 550 [2018-11-07 18:41:29,962 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 18:41:29,969 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:41:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 18:41:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 18:41:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 18:41:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-07 18:41:30,047 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 135 [2018-11-07 18:41:30,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:30,048 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-07 18:41:30,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:41:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-07 18:41:30,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-07 18:41:30,055 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:30,056 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:30,056 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:30,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:30,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1239777290, now seen corresponding path program 1 times [2018-11-07 18:41:30,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:30,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:30,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:30,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:30,059 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:30,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:41:30,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 18:41:30,267 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:30,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 18:41:30,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 18:41:30,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 18:41:30,269 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-07 18:41:31,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:31,953 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-07 18:41:31,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:41:31,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-11-07 18:41:31,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:31,964 INFO L225 Difference]: With dead ends: 1079 [2018-11-07 18:41:31,964 INFO L226 Difference]: Without dead ends: 745 [2018-11-07 18:41:31,970 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 18:41:31,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-07 18:41:32,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-07 18:41:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-07 18:41:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-07 18:41:32,024 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 145 [2018-11-07 18:41:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:32,024 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-07 18:41:32,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 18:41:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-07 18:41:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-07 18:41:32,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:32,033 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:32,034 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:32,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:32,034 INFO L82 PathProgramCache]: Analyzing trace with hash 908178559, now seen corresponding path program 1 times [2018-11-07 18:41:32,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:32,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:32,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:32,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:32,036 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:41:32,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:32,348 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:32,349 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-07 18:41:32,351 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:32,414 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:32,415 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:34,086 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:41:34,090 INFO L272 AbstractInterpreter]: Visited 139 different actions 204 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:41:34,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:34,151 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:41:35,008 INFO L227 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 80.65% of their original sizes. [2018-11-07 18:41:35,009 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:41:35,977 INFO L415 sIntCurrentIteration]: We unified 170 AI predicates to 170 [2018-11-07 18:41:35,977 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:41:35,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:41:35,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 18:41:35,979 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:35,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:41:35,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:41:35,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:41:35,982 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 11 states. [2018-11-07 18:41:49,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:41:49,847 INFO L93 Difference]: Finished difference Result 2333 states and 3723 transitions. [2018-11-07 18:41:49,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-07 18:41:49,847 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2018-11-07 18:41:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:41:49,858 INFO L225 Difference]: With dead ends: 2333 [2018-11-07 18:41:49,858 INFO L226 Difference]: Without dead ends: 1606 [2018-11-07 18:41:49,862 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-07 18:41:49,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-11-07 18:41:49,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1579. [2018-11-07 18:41:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1579 states. [2018-11-07 18:41:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 2094 transitions. [2018-11-07 18:41:49,919 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 2094 transitions. Word has length 171 [2018-11-07 18:41:49,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:41:49,919 INFO L480 AbstractCegarLoop]: Abstraction has 1579 states and 2094 transitions. [2018-11-07 18:41:49,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:41:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 2094 transitions. [2018-11-07 18:41:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-07 18:41:49,927 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:41:49,928 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:41:49,928 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:41:49,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:49,929 INFO L82 PathProgramCache]: Analyzing trace with hash -312801468, now seen corresponding path program 1 times [2018-11-07 18:41:49,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:41:49,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:49,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:41:49,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:41:49,930 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:41:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:41:50,442 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 18:41:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 18:41:50,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:41:50,484 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:41:50,484 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-11-07 18:41:50,485 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:41:50,490 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:41:50,490 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:41:50,881 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:41:50,881 INFO L272 AbstractInterpreter]: Visited 140 different actions 207 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:41:50,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:41:50,888 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:41:51,640 INFO L227 lantSequenceWeakener]: Weakened 93 states. On average, predicates are now at 81.53% of their original sizes. [2018-11-07 18:41:51,640 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:41:53,711 INFO L415 sIntCurrentIteration]: We unified 183 AI predicates to 183 [2018-11-07 18:41:53,711 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:41:53,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:41:53,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-07 18:41:53,712 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:41:53,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 18:41:53,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 18:41:53,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-07 18:41:53,716 INFO L87 Difference]: Start difference. First operand 1579 states and 2094 transitions. Second operand 19 states. [2018-11-07 18:42:14,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:14,172 INFO L93 Difference]: Finished difference Result 3437 states and 4621 transitions. [2018-11-07 18:42:14,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-07 18:42:14,173 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 184 [2018-11-07 18:42:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:14,182 INFO L225 Difference]: With dead ends: 3437 [2018-11-07 18:42:14,183 INFO L226 Difference]: Without dead ends: 2000 [2018-11-07 18:42:14,188 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-07 18:42:14,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2018-11-07 18:42:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1990. [2018-11-07 18:42:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1990 states. [2018-11-07 18:42:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2546 transitions. [2018-11-07 18:42:14,250 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2546 transitions. Word has length 184 [2018-11-07 18:42:14,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:14,251 INFO L480 AbstractCegarLoop]: Abstraction has 1990 states and 2546 transitions. [2018-11-07 18:42:14,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 18:42:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2546 transitions. [2018-11-07 18:42:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-07 18:42:14,259 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:14,259 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:14,259 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:14,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:14,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1263720055, now seen corresponding path program 1 times [2018-11-07 18:42:14,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:14,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:14,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:14,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:14,261 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:42:14,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:14,419 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:42:14,419 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-07 18:42:14,419 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:42:14,424 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:42:14,425 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:42:16,517 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:42:16,518 INFO L272 AbstractInterpreter]: Visited 142 different actions 782 times. Merged at 9 different actions 57 times. Widened at 1 different actions 2 times. Found 14 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:42:16,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:16,526 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:42:16,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:16,526 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:42:16,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:16,536 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:42:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:16,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:42:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-07 18:42:16,896 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:42:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 18:42:17,665 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:42:17,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 18:42:17,665 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:42:17,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 18:42:17,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 18:42:17,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 18:42:17,667 INFO L87 Difference]: Start difference. First operand 1990 states and 2546 transitions. Second operand 8 states. [2018-11-07 18:42:22,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:22,601 INFO L93 Difference]: Finished difference Result 5759 states and 8248 transitions. [2018-11-07 18:42:22,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 18:42:22,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2018-11-07 18:42:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:22,619 INFO L225 Difference]: With dead ends: 5759 [2018-11-07 18:42:22,619 INFO L226 Difference]: Without dead ends: 2956 [2018-11-07 18:42:22,638 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 18:42:22,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2018-11-07 18:42:22,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2846. [2018-11-07 18:42:22,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2846 states. [2018-11-07 18:42:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3454 transitions. [2018-11-07 18:42:22,731 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3454 transitions. Word has length 196 [2018-11-07 18:42:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:22,731 INFO L480 AbstractCegarLoop]: Abstraction has 2846 states and 3454 transitions. [2018-11-07 18:42:22,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 18:42:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3454 transitions. [2018-11-07 18:42:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-07 18:42:22,745 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:22,745 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:22,745 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:22,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1136253036, now seen corresponding path program 1 times [2018-11-07 18:42:22,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:22,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:22,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:22,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:22,747 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:23,303 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 18:42:23,341 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-07 18:42:23,341 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:23,342 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:42:23,342 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 267 with the following transitions: [2018-11-07 18:42:23,342 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [261], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:42:23,347 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:42:23,348 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:42:24,388 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 18:42:24,389 INFO L272 AbstractInterpreter]: Visited 140 different actions 208 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 18:42:24,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:24,425 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 18:42:25,718 INFO L227 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 80.89% of their original sizes. [2018-11-07 18:42:25,718 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 18:42:27,492 INFO L415 sIntCurrentIteration]: We unified 265 AI predicates to 265 [2018-11-07 18:42:27,492 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 18:42:27,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 18:42:27,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-11-07 18:42:27,492 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:27,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-07 18:42:27,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-07 18:42:27,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2018-11-07 18:42:27,494 INFO L87 Difference]: Start difference. First operand 2846 states and 3454 transitions. Second operand 26 states. [2018-11-07 18:42:45,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:45,189 INFO L93 Difference]: Finished difference Result 5697 states and 6997 transitions. [2018-11-07 18:42:45,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-07 18:42:45,190 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 266 [2018-11-07 18:42:45,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:45,203 INFO L225 Difference]: With dead ends: 5697 [2018-11-07 18:42:45,203 INFO L226 Difference]: Without dead ends: 3056 [2018-11-07 18:42:45,212 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 284 GetRequests, 232 SyntacticMatches, 9 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=372, Invalid=1608, Unknown=0, NotChecked=0, Total=1980 [2018-11-07 18:42:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2018-11-07 18:42:45,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2772. [2018-11-07 18:42:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2018-11-07 18:42:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3377 transitions. [2018-11-07 18:42:45,280 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3377 transitions. Word has length 266 [2018-11-07 18:42:45,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:45,280 INFO L480 AbstractCegarLoop]: Abstraction has 2772 states and 3377 transitions. [2018-11-07 18:42:45,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-07 18:42:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3377 transitions. [2018-11-07 18:42:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-07 18:42:45,293 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:45,294 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:45,294 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:45,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:45,295 INFO L82 PathProgramCache]: Analyzing trace with hash 567175567, now seen corresponding path program 1 times [2018-11-07 18:42:45,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:45,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:45,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:45,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:45,296 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 139 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 18:42:45,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:45,622 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 18:42:45,622 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 276 with the following transitions: [2018-11-07 18:42:45,623 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [261], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [717], [719], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 18:42:45,625 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 18:42:45,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 18:42:47,338 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 18:42:47,338 INFO L272 AbstractInterpreter]: Visited 142 different actions 643 times. Merged at 9 different actions 48 times. Widened at 1 different actions 1 times. Found 11 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 18:42:47,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:47,346 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 18:42:47,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 18:42:47,346 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 18:42:47,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:47,355 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 18:42:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:47,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 18:42:47,627 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-07 18:42:47,627 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 18:42:47,971 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 18:42:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 145 proven. 54 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 18:42:48,419 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 18:42:48,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 18:42:48,420 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 18:42:48,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 18:42:48,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 18:42:48,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 18:42:48,421 INFO L87 Difference]: Start difference. First operand 2772 states and 3377 transitions. Second operand 11 states. [2018-11-07 18:42:51,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:51,312 INFO L93 Difference]: Finished difference Result 10275 states and 13172 transitions. [2018-11-07 18:42:51,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 18:42:51,312 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 275 [2018-11-07 18:42:51,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:51,313 INFO L225 Difference]: With dead ends: 10275 [2018-11-07 18:42:51,313 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:42:51,349 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 553 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 18:42:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:42:51,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:42:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:42:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:42:51,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2018-11-07 18:42:51,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:51,350 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:42:51,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 18:42:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:42:51,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:42:51,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:42:51,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,788 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 171 [2018-11-07 18:42:51,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 18:42:51,996 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 163 [2018-11-07 18:42:52,627 WARN L179 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-11-07 18:42:53,315 WARN L179 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2018-11-07 18:42:55,783 WARN L179 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 335 DAG size of output: 160 [2018-11-07 18:42:56,405 WARN L179 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 86 [2018-11-07 18:42:56,927 WARN L179 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 86 [2018-11-07 18:42:56,930 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:56,931 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-11-07 18:42:56,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:56,931 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 18:42:56,932 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 18:42:56,932 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,932 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,932 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 18:42:56,933 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 18:42:56,934 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 18:42:56,935 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 18:42:56,936 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 18:42:56,937 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 18:42:56,938 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 18:42:56,939 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 18:42:56,940 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,941 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 18:42:56,942 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 18:42:56,943 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= |old(~a8~0)| ~a8~0)) (.cse16 (= |old(~a20~0)| ~a20~0))) (let ((.cse2 (= ~a17~0 1)) (.cse6 (not (= 1 |old(~a17~0)|))) (.cse11 (= 13 |old(~a8~0)|)) (.cse10 (< |calculate_output_#in~input| 1)) (.cse4 (= ~a16~0 5)) (.cse8 (< 6 |calculate_output_#in~input|)) (.cse14 (= 6 |old(~a16~0)|)) (.cse13 (and (= ~a7~0 |old(~a7~0)|) .cse15 .cse16)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse7 (not (= 15 |old(~a8~0)|))) (.cse5 (not (= 8 ~a12~0))) (.cse9 (not (= 1 |old(~a20~0)|))) (.cse3 (= ~a21~0 1)) (.cse12 (not (= 1 |old(~a7~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (< |old(~a20~0)| 0) .cse6 .cse7 (not (= 5 |old(~a16~0)|)) (< 0 |old(~a20~0)|)) (or .cse8 .cse1 (< 15 |old(~a8~0)|) .cse5 .cse6 .cse9 (< 5 |old(~a16~0)|) (< |old(~a16~0)| 4) (< 1 |old(~a7~0)|) (< |old(~a8~0)| 13) (and (<= ~a16~0 5) .cse2 .cse3 (<= 4 ~a16~0)) (< |old(~a7~0)| 0) .cse10) (or .cse8 (or .cse1 (not (= 4 |old(~a16~0)|)) (not .cse11)) .cse5 .cse6 .cse9 .cse12 .cse10 (= ~a16~0 4)) (or .cse13 .cse11) (or .cse14 (not (= ~a16~0 6))) (or .cse9 .cse13) (or (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) .cse10 .cse4 .cse0 .cse8 (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) (or .cse14 .cse13) (or (or .cse0 .cse1 (< 6 |old(~a16~0)|) (< |old(~a16~0)| 5) .cse7 (not (= 0 |old(~a17~0)|)) .cse5) .cse9 (and (<= 5 ~a16~0) .cse3 (= ~a17~0 0) (<= ~a16~0 6))) (or (and (= 1 ~a7~0) .cse15 .cse16) (< |old(~a20~0)| 1) .cse12)))) [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,944 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 18:42:56,945 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 18:42:56,946 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 18:42:56,947 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:56,948 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 18:42:56,948 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:42:56,948 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:56,949 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (and (= ~a21~0 1) (= |old(~a8~0)| ~a8~0) (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-07 18:42:56,949 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:56,949 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= ~a8~0 13)) (not (= ~a16~0 6)) (= |old(~a20~0)| ~a20~0) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) [2018-11-07 18:42:56,949 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 18:42:56,949 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 18:42:56,949 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 18:42:56,949 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (not (= ~a8~0 13)) (not (= ~a16~0 6)) (= |old(~a20~0)| ~a20~0) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) [2018-11-07 18:42:56,949 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:56,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:42:56 BoogieIcfgContainer [2018-11-07 18:42:56,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:42:56,963 INFO L168 Benchmark]: Toolchain (without parser) took 93746.89 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -204.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-07 18:42:56,964 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:42:56,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:56,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:56,966 INFO L168 Benchmark]: Boogie Preprocessor took 98.38 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:42:56,967 INFO L168 Benchmark]: RCFGBuilder took 3255.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:56,967 INFO L168 Benchmark]: TraceAbstraction took 89505.53 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 444.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-11-07 18:42:56,972 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 136.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.38 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3255.38 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 89505.53 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 444.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 560]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(a8 == 13) || !(a16 == 6)) || \old(a20) == a20) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || (1 == a7 && 1 <= a20)) || !(x == 24)) || !(a12 == 8)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(z == 26)) || !(\old(a16) == 5)) || !(0 == \old(a7))) || !(3 == c)) || !(\old(a20) == 1)) || !(23 == w)) || !(a == 1)) || !(\old(a17) == 1)) || !(\old(a8) == 15)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 89.4s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 63.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1064 SDtfs, 8351 SDslu, 1432 SDs, 0 SdLazy, 13055 SolverSat, 2093 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1684 GetRequests, 1523 SyntacticMatches, 14 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2846occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.1s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9975708049305653 AbsIntWeakeningRatio, 0.18932038834951456 AbsIntAvgWeakeningVarsNumRemoved, 19.831715210355988 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 443 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 132 PreInvPairs, 270 NumberOfFragments, 707 HoareAnnotationTreeSize, 132 FomulaSimplifications, 10372 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5640 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1843 NumberOfCodeBlocks, 1843 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2303 ConstructedInterpolants, 0 QuantifiedInterpolants, 852109 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1248 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1174/1354 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...